27848990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 29304610

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 83, 89, 130, 145, 166, 178, 290, 377, 415, 445, 754, 830, 890, 1079, 1157, 1885, 2158, 2314, 2407, 2581, 3770, 4814, 5162, 5395, 5785, 7387, 10790, 11570, 12035, 12905, 14774, 24070, 25810, 31291, 33553, 36935, 62582, 67106, 73870, 96031, 156455, 167765, 192062, 214223, 312910, 335530, 428446, 480155, 960310, 1071115, 2142230, 2784899, 5569798, 13924495, 27848990]

約数ペア:

[(1, 27848990), (2, 13924495), (5, 5569798), (10, 2784899), (13, 2142230), (26, 1071115), (29, 960310), (58, 480155), (65, 428446), (83, 335530), (89, 312910), (130, 214223), (145, 192062), (166, 167765), (178, 156455), (290, 96031), (377, 73870), (415, 67106), (445, 62582), (754, 36935), (830, 33553), (890, 31291), (1079, 25810), (1157, 24070), (1885, 14774), (2158, 12905), (2314, 12035), (2407, 11570), (2581, 10790), (3770, 7387), (4814, 5785), (5162, 5395)]